Abbreviation | Meaning |
|---|---|
A | |
A | Ampere(s) |
ABS | Antilock Brake System |
A/C | Air Conditioning |
AC | Alternating Current |
ACC | Accessory, Automatic Climate Control |
ACL | Air Cleaner |
ACR4 | Air Conditioning Refrigerant, Recovery, Recycling, Recharging |
A/D | Analog to Digital |
ADL | Automatic Door Lock |
A/F | Air/Fuel (Ratio) |
AIR | Secondary Air Injection |
ALC | Automatic Level Control |
AM/FM | Amplitude Modulation/Frequency Modulation |
Ant | Antenna |
AP | Accelerator Pedal |
API | American Petroleum Institute |
APP | Accelerator Pedal Position |
APT | Adjustable Part Throttle |
ARS | Automatic Restraint System |
ASR | Acceleration Slip Regulation |
A/T | Automatic Transmission/Transaxle |
ATC | Automatic Temperature Control |
ATDC | After Top Dead Center |
Auto | Automatic |
avg | average |
A4WD | Automatic Four Wheel Drive |
AWG | American Wire Gage |
B | |
B+ | Battery Positive Voltage |
B- | Battery Negative Voltage |
BARO | Barometric (Pressure) |
batt | battery |
BBV | Brake Booster Vacuum |
BCM | Body Control Module |
BHP | Brake Horsepower |
BLK | Black |
BLU | Blue |
BP | Back Pressure |
BPM | Brake Pressure Modulator |
BPMV | Brake Pressure Modulator Valve |
BPP | Brake Pedal Position |
BRN | Brown |
BTDC | Before Top Dead Center |
Btu | British Thermal Units |
C | |
°C | Degrees Celsius |
CAC | Charge Air Cooler |
CAFE | Corporate Average Fuel Economy |
Cal | Calibration |
Cam | Camshaft |
CARB | California Air Resources Board |
cc | Cubic Centimeters |
CCM | Central Control Module |
CCOT | Cycling Clutch Orifice Tube |
CCP | Climate Control Panel |
CD | Compact Disc |
CE | Commutator End |
CEAB | Cold Engine Air Bleed |
CEMF | Counter Electromotive Force |
cfm | Cubic Feet per Minute |
cg | Center of Gravity |
CID | Cubic Inch Displacement |
CKP | Crankshaft Position |
CKT | Circuit |
CL | Closed Loop |
C/Ltr | Cigar Lighter |
CMP | Camshaft Position |
CNG | Compressed Natural Gas |
CO | Carbon Monoxide |
CO2 | Carbon Dioxide |
Coax | Coaxial |
COMM | Communication |
Conn | Connector |
CPA | Connector Position Assurance |
CPP | Clutch Pedal Position |
CPS | Central Power Supply |
CPU | Central Processing Unit |
CRT | Cathode Ray Tube |
CRTC | Cathode Ray Tube Controller |
CS | Charging System |
CTP | Closed Throttle Position |
cu ft | Cubic Foot/Feet |
cu in | Cubic Inch/Inches |
CV | Constant Velocity (Joint) |
CVRSS | Continuously Variable Road Sensing Suspension |
Cyl | Cylinder(s) |
D | |
DAB | Delayed Accessory Bus |
dB | Decibels |
dBA | Decibels on A-weighted Scale |
DC | Direct Current |
DCM | Door Control Module |
DE | Drive End |
DEC | Digital Electronic Controller |
DERM | Diagnostic Energy Reserve Module |
DI | Distributor Ignition |
dia | Diameter |
DIC | Driver Information Center |
Diff | Differential |
DK | Dark |
DLC | Data Link Connector |
DMM | Digital Multimeter |
DOHC | Dual Overhead Camshafts |
DR | Driver |
DRL | Daytime Running Lamps |
DTC | Diagnostic Trouble Code |
E | |
EBCM | Electronic Brake Control Module |
EBTCM | Electronic Brake and Traction Control Module |
EC | Electrical Center |
ECC | Electronic Climate Control |
ECI | Extended Compressor at Idle |
ECL | Engine Coolant Level |
ECM | Engine Control Module |
ECS | Emission Control System |
ECT | Engine Coolant Temperature |
EEPROM | Electronically Erasable Programmable Read Only Memory |
EEVIR | Evaporator Equalized Values in Receiver |
EFE | Early Fuel Evaporation |
EGR | Exhaust Gas Recirculation |
EGR TVV | Exhaust Gas Recirculation Thermal Vacuum Valve |
EI | Electronic Ignition |
ELAP | Elapsed |
ELC | Electronic Level Control |
E/M | English/Metric |
EMF | Electromotive Force |
Eng | Engine |
EOP | Engine Oil Pressure |
EOT | Engine Oil Temperature |
EPA | Environmental Protection Agency |
EPR | Exhaust Pressure Regulator |
EPROM | Erasable Programmable Read Only Memory |
ESC | Electronic Suspension Control |
ESD | Electrostatic Discharge |
ETC | Electronic Throttle Control, Electronic Temperature Control |
ETCC | Electronic Touch Climate Control |
ETR | Electronically Tuned Receiver |
EVA | Electronic Vibration Analyzer |
EVAP | Evaporative Emission |
EVO | Electronic Variable Orifice |
Exh | Exhaust |
F | |
°F | Degrees Fahrenheit |
FC | Fan Control |
FDC | Fuel Data Center |
FED | Federal (all United States except California) |
FEDS | Fuel Enable Data Stream |
FF | Flexible Fuel |
FI | Fuel Injection |
FMVSS | Federal Motor Vehicle Safety Standards |
F/P | Fuel Pump |
ft | Foot/Feet |
FT | Fuel Trim |
F4WD | Full Time Four Wheel Drive |
4WAL | Four-Wheel Antilock |
4WD | Four Wheel Drive |
FW | Flat Wire |
FWD | Front Wheel Drive |
G | |
g | Grams, Gravitational Acceleration |
GA | Gage |
gal | Gallon |
gas | Gasoline |
GCW | Gross Combination Weight |
Gen | Generator |
GL | Gear Lubricant |
GM | General Motors |
GM SPO | General Motors Service Parts Operations |
gnd | Ground |
gpm | Gallons per Minute |
GRN | Green |
GRY | Gray |
GVWR | Gross Vehicle Weight Rating |
H | |
H | Hydrogen |
H2O | Water |
Harn | Harness |
HC | Hydrocarbons |
H/CMPR | High Compression |
HD | Heavy Duty |
HDC | Heavy Duty Cooling |
hex | Hexagon |
Hg | Mercury |
Hi Alt | High Altitude |
HO2S | Heated Oxygen Sensor |
hp | Horsepower |
HPL | High Pressure Liquid |
HPS | High Performance System |
HPV | High Pressure Vapor |
Htd | Heated |
HTR | Heater |
HUD | Head-up Display |
HVAC | Heater-Vent-Air Conditioning |
HVACM | Heater-Vent-Air Conditioning Module |
HVM | Heater Vent Module |
Hz | Hertz |
I | |
IAC | Idle Air Control |
IAT | Intake Air Temperature |
IC | Integrated Circuit, Ignition Control |
ICM | Ignition Control Module |
ID | Identification, Inside Diameter |
IDI | Integrated Direct Ignition |
ign | Ignition |
ILC | Idle Load Compensator |
in | Inch/Inches |
INJ | Injection |
inst | Instantaneous |
I/P | Instrument Panel |
IPC | Instrument Panel Cluster |
I/PEC | Instrument Panel Electrical Center |
ISC | Idle Speed Control |
ISO | International Standards Organization |
ISS | Input Speed Shaft |
K | |
KAM | Keep Alive Memory |
KDD | Keyboard Display Driver |
kg | Kilogram |
kHz | Kilohertz |
km | Kilometer |
km/h | Kilometers per Hour |
km/l | Kilometers per Liter |
kPa | Kilopascals |
KS | Knock Sensor |
kV | Kilovolts |
L | |
L | Liter |
L4 | Four Cylinder Engine, In-line |
L6 | Six Cylinder Engine, In-Line |
lb | Pound |
lb ft | Pound Feet (Torque) |
lb in | Pound Inch (Torque) |
LCD | Liquid Crystal Display |
LDCL | Left Door Closed Locking |
LDCM | Left Door Control Module |
LED | Light Emitting Diode |
LF | Left Front |
LH | Left Hand |
lm | Lumens |
LR | Left Rear |
lt | Left |
LT | Light |
M | |
MAF | Mass Air Flow |
Man | Manual |
MAP | Manifold Absolute Pressure |
MAT | Manifold Absolute Temperature |
max | Maximum |
M/C | Mixture Control |
MDP | Manifold Differential Pressure |
MFI | Multiport Fuel Injection |
mi | Miles |
MIL | Malfunction Indicator Lamp |
min | Minimum |
ml | Milliliter |
mm | Millimeter |
mpg | Miles per Gallon |
mph | Miles per Hour |
ms | Millisecond |
MST | Manifold Surface Temperature |
M/T | Manual Transmission/Transaxle |
MV | Megavolt |
mV | Millivolt |
N | |
NAES | North American Export Sales |
NC | Normally Closed |
NEG | Negative |
Neu | Neutral |
NLGI | National Lubricating Grease Institute |
N·m | Newton-meter (Torque) |
NO | Normally Open |
NOx | Oxides of Nitrogen |
NPTC | National Pipe Thread Coarse |
NPTF | National Pipe Thread Fine |
NVRAM | Non Volatile Random Access Memory |
O | |
O2 | Oxygen |
O2S | Oxygen Sensor |
OBD II | On-Board Diagnostics II |
OC | Oxidation Converter (Catalytic) |
OD | Outside Diameter |
ODO | Odometer |
OE | Original Equipment |
OEM | Original Equipment Manufacturer |
OHC | Overhead Camshaft |
OL | Open Loop |
ORN | Orange |
OSS | Output Shaft Speed |
oz | Ounce(s) |
P | |
PAG | Polyalkylene Glycol |
PASS | Passenger |
PASS-Key® | Personalized Automotive Security System |
P/B | Power Brakes |
PC | Pressure Control |
PCB | Printed Circuit Board |
PCM | Powertrain Control Module |
PCS | Pressure Control Solenoid |
PCV | Positive Crankcase Ventilation |
PM | Permanent Magnet (Generator) |
P/N | Part Number |
PNK | Pink |
PNP | Park/Neutral Position |
PRNDL | Park, Reverse, Neutral, Drive, Low |
POA | Pilot Operated Absolute (Valve) |
POS | Positive |
POT | Potentiometer (Variable Resistor) |
PPL | Purple |
ppm | Parts per Million |
PROM | Programmable Read Only Memory |
P/S | Power Steering |
PSD | Power Sliding Door |
PSP | Power Steering Pressure |
psi | Pounds per Square Inch |
psia | Pounds per Square Inch Absolute |
psig | Pounds per Square Inch Gauge |
pt | Pint |
PWM | Pulse Width Modulated |
Q | |
qt | Quart(s) |
R | |
R-12 | Refrigerant-12 |
R-134a | Refrigerant-134a |
RAM | Random Access Memory (non permanent memory devise, memory contents are lost-when power is removed) |
RAP | Retained Accessory Power |
RAV | Remote Activation Verification |
RCDLR | Remote Control Door Lock Receiver |
RDCM | Right Door Control Module |
Ref | Reference |
Rev | Reverse |
RF | Right Front, Radio Frequency |
RFA | Remote Function Actuation |
RFI | Radio Frequency Interference |
RH | Right Hand |
RKE | Remote Keyless Entry |
Rly | Relay |
ROM | Read Only Memory (permanent memory devise, memory contents are retained when power is removed) |
RPM | Engine Speed (Revolutions Per Minute) |
RPO | Regular Production Option |
RR | Right Rear |
rt | Right |
RTD | Real Time Damping |
RTV | Room Temperature Vulcanizing (sealer) |
RWAL | Rear Wheel Antilock |
RWD | Rear Wheel Drive |
S | |
s | Second(s) |
SAE | Society of Automotive Engineers |
SC | Supercharger |
SCB | Supercharger Bypass |
SCM | Seat Control Module |
SDM | Sensing and Diagnostic Module |
SEO | Special Equipment Option |
SFI | Sequential Multiport Fuel Injection |
SI | System International (modern version of metric system) |
SIR | Supplemental Inflatable Restraint |
SLA | Short/Long Arm (suspension) |
sol | Solenoid |
SO2 | Sulfur Dioxide |
SP | Splice Pack |
SPO | Service Parts Operations |
sq ft | Square Foot/Feet |
sq in | Square Inch/Inches |
SRC | Service Ride Control |
SRI | Service Reminder Indicator |
ST | Scan Tool |
S4WD | Selectable Four Wheel Drive |
Sw | Switch |
syn | Synchronizer |
T | |
Tach | Tachometer |
TBI | Throttle Body Fuel Injection |
TC | Turbocharger |
TCC | Torque Converter Clutch |
TCS | Traction Control System |
TDC | Top Dead Center |
TEMP | Temperature |
Term | Terminal |
TFP | Transmission Fluid Pressure |
TFT | Transmission Fluid Temperature |
TOC | Transmission Oil Cooler |
TP | Throttle Position |
TPA | Terminal Positive Assurance |
TPM | Tire Pressure Monitoring |
TR | Transmission Range |
TRANS | Transmission/Transaxle |
TV | Throttle Valve |
TVRS | Television and Radio Suppression |
TVV | Thermal Vacuum Valve |
TWC | Three Way Converter (Catalytic) |
TWC+OC | Three Way + Oxidation Converter (Catalytic) |
TXV | Thermal Expansion Valve |
U | |
UART | Universal Asynchronous Receive and Transmit |
U/H | Underhood |
U/HEC | Underhood Electrical Center |
U-joint | Universal Joint |
UTD | Universal Theft Deterrent |
UV | Ultraviolet |
V | |
V | Volt(s), Voltage |
V6 | Six Cylinder Engine, V-Type |
V8 | Eight Cylinder Engine, V-Type |
Vac | Vacuum |
VAC | Vehicle Access Code |
VATS | Vehicle Anti-Theft System |
VCM | Vehicle Control Module |
VDOT | Variable Displacement Orifice Tube |
VDV | Vacuum Delay Valve |
vel | Velocity |
VES | Variable Effort Steering |
VF | Vacuum Fluorescent |
VIO | Violet |
VIN | Vehicle Identification Number |
VMV | Vacuum Modulator Valve |
VR | Voltage Regulator |
V ref | Voltage Reference |
VSS | Vehicle Speed Sensor |
W | |
w/ | With |
W/B | Wheel Base |
WHL | Wheel |
WHT | White |
w/o | Without |
WOT | Wide Open Throttle |
W/P | Water Pump |
W/S | Windshield |
WSS | Wheel Speed Sensor |
WU-OC | Warm Up Oxidation Converter (Catalytic) |
WU-TWC | Warm Up Three Way Converter (Catalytic) |
X | |
X-valve | Expansion valve |
Y | |
yd | Yard(s) |
YEL | Yellow |
Abbreviation | Meaning |
|---|---|
A | |
A | Ampere(s) |
ABS | Antilock Brake System |
A/C | Air Conditioning |
AC | Alternating Current |
ACC | Accessory, Automatic Climate Control |
ACL | Air Cleaner |
ACR4 | Air Conditioning Refrigerant, Recovery, Recycling, Recharging |
A/D | Analog to Digital |
ADL | Automatic Door Lock |
A/F | Air/Fuel (Ratio) |
AIR | Secondary Air Injection |
ALC | Automatic Level Control |
AM/FM | Amplitude Modulation/Frequency Modulation |
Ant | Antenna |
AP | Accelerator Pedal |
API | American Petroleum Institute |
APP | Accelerator Pedal Position |
APT | Adjustable Part Throttle |
ARS | Automatic Restraint System |
ASR | Acceleration Slip Regulation |
A/T | Automatic Transmission/Transaxle |
ATC | Automatic Temperature Control |
ATDC | After Top Dead Center |
Auto | Automatic |
AUX | Auxiliary |
avg | average |
AWD | All Wheel Drive |
AWG | American Wire Gage |
B | |
B+ | Battery Positive Voltage |
B- | Battery Negative Voltage |
BARO | Barometric (pressure) |
batt | battery |
BBV | Brake Booster Vacuum |
BCM | Body Control Module |
BHP | Brake Horsepower |
BLK | Black |
BLU | Blue |
BP | Back Pressure |
BPM | Brake Pressure Modulator |
BPMV | Brake Pressure Modulator Valve |
BPP | Brake Pedal Position |
BRN | Brown |
BTDC | Before Top Dead Center |
Btu | British thermal units |
C | |
°C | Degrees Celsius |
CAC | Charge Air Cooler |
CAFE | Corporate Average Fuel Economy |
Cal | Calibration |
Cam | Camshaft |
CARB | California Air Resources Board |
cc | cubic centimeters |
CCM | Central Control Module |
CCOT | Cycling Clutch Orifice Tube |
CCP | Climate Control Panel |
CD | Compact Disc |
CE | Commutator End |
CEAB | Cold Engine Air Bleed |
CEMF | Counter Electromotive Force |
cfm | cubic feet per minute |
cg | center of gravity |
CID | Cubic Inch Displacement |
CKP | Crankshaft Position |
CKT | Circuit |
CL | Closed Loop |
C/Ltr | Cigar Lighter |
CMP | Camshaft Position |
CNG | Compressed Natural Gas |
CO | Carbon Monoxide |
CO2 | Carbon Dioxide |
Coax | Coaxial |
COMM | Communication |
Conn | Connector |
CPA | Connector Position Assurance |
CPP | Clutch Pedal Position |
CPS | Central Power Supply |
CPU | Central Processing Unit |
CRT | Cathode Ray Tube |
CRTC | Cathode Ray Tube Controller |
CS | Charging System |
CTP | Closed Throttle Position |
cu ft | cubic foot/feet |
cu in | cubic inch/inches |
CV | Constant Velocity (joint) |
CVRSS | Continuously Variable Road Sensing Suspension |
Cyl | Cylinder(s) |
D | |
DAB | Delayed Accessory Bus |
dB | decibels |
dBA | decibels on A-weighted scale |
DC | Direct Current |
DCM | Door Control Module |
DE | Drive End |
DEC | Digital Electronic Controller |
DERM | Diagnostic Energy Reserve Module |
DI | Distributor Ignition |
dia | diameter |
DIC | Driver Information Center |
Diff | Differential |
DK | Dark |
DLC | Data Link Connector |
DMM | Digital Multimeter |
DOHC | Dual Overhead Camshafts |
DR | Driver |
DRL | Daytime Running Lamps |
DTC | Diagnostic Trouble Code |
E | |
EBCM | Electronic Brake Control Module |
EBTCM | Electronic Brake and Traction Control Module |
EC | Electrical Center |
ECC | Electronic Climate Control |
ECI | Extended Compressor at Idle |
ECL | Engine Coolant Level |
ECM | Engine Control Module |
ECS | Emission Control System |
ECT | Engine Coolant Temperature |
EEPROM | Electronically Erasable Programmable Read Only Memory |
EEVIR | Evaporator Equalized Values in Receiver |
EFE | Early Fuel Evaporation |
EGR | Exhaust Gas Recirculation |
EGR TVV | Exhaust Gas Recirculation Thermal Vacuum Valve |
EI | Electronic Ignition |
ELAP | Elapsed |
ELC | Electronic Level Control |
E/M | English / Metric |
EMF | Electromotive Force |
Eng | Engine |
EOP | Engine Oil Pressure |
EOT | Engine Oil Temperature |
EPA | Environmental Protection Agency |
EPR | Exhaust Pressure Regulator |
EPROM | Erasable Programmable Read Only Memory |
ESC | Electronic Suspension Control |
ESD | Electrostatic Discharge |
ETC | Electronic Throttle Control, Electronic Temperature Control |
ETCC | Electronic Touch Climate Control |
ETR | Electronically Tuned Receiver |
EVAP | Evaporative Emission |
EVO | Electronic Variable Orifice |
Exh | Exhaust |
F | |
°F | Degrees Fahrenheit |
FC | Fan Control |
FDC | Fuel Data Center |
FED | Federal (all United States except California) |
FEDS | Fuel Enable Data Stream |
FF | Flexible Fuel |
FI | Fuel Injection |
FMVSS | Federal Motor Vehicle Safety Standards |
F/P | Fuel Pump |
ft | foot/feet |
FT | Fuel Trim |
F4WD | Full Time Four Wheel Drive |
4WAL | Four Wheel Antilock |
4WD | Four Wheel Drive |
FW | Flat Wire |
FWD | Front Wheel Drive |
G | |
g | grams, gravitational acceleration |
GA | Gage |
gal | gallon |
gas | gasoline |
GCW | Gross Combination Weight |
Gen | Generator |
GL | Gear Lubricant |
GM | General Motors |
GM SPO | General Motors Service Parts Operations |
gnd | ground |
gpm | gallons per minute |
GRN | Green |
GRY | Gray |
GVWR | Gross Vehicle Weight Rating |
H | |
H | Hydrogen |
H2O | Water |
Harn | Harness |
HC | Hydrocarbons |
H/CMPR | High Compression |
HD | Heavy Duty |
HDC | Heavy Duty Cooling |
hex | hexagon |
Hg | Mercury |
Hi Alt | High Altitude |
HO2S | Heated Oxygen Sensor |
hp | horsepower |
HPL | High Pressure Liquid |
HPS | High Performance System |
HPV | High Pressure Vapor |
Htd | Heated |
HTR | Heater |
HUD | Head-up Display |
HVAC | Heater-Vent-Air Conditioning |
HVACM | Heater-Vent-Air Conditioning Module |
HVM | Heater Vent Module |
Hz | Hertz |
I | |
IAC | Idle Air Control |
IAT | Intake Air Temperature |
IC | Integrated Circuit, Ignition Control |
ICM | Ignition Control Module |
ID | Identification, Inside Diameter |
IDI | Integrated Direct Ignition |
ign | ignition |
ILC | Idle Load Compensator |
in | inch/inches |
INJ | Injection |
inst | instantaneous |
I/P | Instrument Panel |
IPC | Instrument Panel Cluster |
I/PEC | Instrument Panel Electrical Center |
ISC | Idle Speed Control |
ISO | International Standards Organization |
ISS | Input Speed Shaft |
K | |
KAM | Keep Alive Memory |
KDD | Keyboard Display Driver |
kg | kilogram |
kHz | kilohertz |
km | kilometer |
km/h | kilometers per hour |
km/l | kilometers per liter |
kPa | kilopascals |
KS | Knock Sensor |
kV | kilovolts |
L | |
L | Liter |
L4 | Four Cylinder Engine, In-line |
L6 | Six Cylinder Engine, In-Line |
lb | pound |
lb ft | pound feet (torque) |
lb in | pound inch (torque) |
LCD | Liquid Crystal Display |
LDCL | Left Door Closed Locking |
LDCM | Left Door Control Module |
LED | Light Emitting Diode |
LF | Left Front |
LH | Left Hand |
lm | lumens |
LR | Left Rear |
lt | left |
LT | Light |
M | |
MAF | Mass Air Flow |
Man | Manual |
MAP | Manifold Absolute Pressure |
MAT | Manifold Absolute Temperature |
max | maximum |
M/C | Mixture Control |
MDP | Manifold Differential Pressure |
MFI | Multiport Fuel Injection |
mi | miles |
MIL | Malfunction Indicator Lamp |
min | minimum |
ml | milliliter |
mm | millimeter |
mpg | miles per gallon |
mph | miles per hour |
ms | millisecond |
MST | Manifold Surface Temperature |
M/T | Manual Transmission/Transaxle |
MV | Megavolt |
mV | millivolt |
N | |
NAES | North American Export Sales |
NC | Normally Closed |
NEG | Negative |
Neu | Neutral |
NLGI | National Lubricating Grease Institute |
N·m | Newton-meter (torque) |
NO | Normally Open |
NOx | Oxides of Nitrogen |
NPTC | National Pipe Thread Coarse |
NPTF | National Pipe Thread Fine |
NVRAM | Non Volatile Random Access Memory |
O | |
O2 | Oxygen |
O2S | Oxygen Sensor |
OBD II | On-Board Diagnostics II |
OC | Oxidation Converter (Catalytic) |
OD | Outside Diameter |
ODO | Odometer |
OE | Original Equipment |
OEM | Original Equipment Manufacturer |
OHC | Overhead Camshaft |
OL | Open Loop |
ORN | Orange |
OSS | Output Shaft Speed |
oz | ounce(s) |
P | |
PAG | Polyalkylene Glycol |
PASS | Passenger |
PASS-Key® | Personalized Automotive Security System |
P/B | Power Brakes |
PC | Pressure Control |
PCB | Printed Circuit Board |
PCM | Powertrain Control Module |
PCS | Pressure Control Solenoid |
PCV | Positive Crankcase Ventilation |
PM | Permanent Magnet (Generator) |
P/N | Part Number |
PNK | Pink |
PNP | Park/Neutral Position |
PRNDL | Park, Reverse, Neutral, Drive, Low |
POA | Pilot Operated Absolute (Valve) |
POS | Positive |
POT | Potentiometer (Variable Resistor) |
PPL | Purple |
ppm | parts per million |
PROM | Programmable Read Only Memory |
P/S | Power Steering |
PSD | Power Sliding Door |
PSP | Power Steering Pressure |
psi | pounds per square inch |
psia | pounds per square inch absolute |
psig | pounds per square inch gage |
pt | pint |
PWM | Pulse Width Modulated |
Q | |
qt | quart(s) |
R | |
R-12 | Refrigerant-12 |
R-134a | Refrigerant-134a |
RAM | Random Access Memory (non permanent memory devise, memory contents are lost when power is removed) |
RAP | Retained Accessory Power |
RAV | Remote Activation Verification |
RCDLR | Remote Control Door Lock Receiver |
RDCM | Right Door Control Module |
Ref | Reference |
Rev | Reverse |
RF | Right Front, Radio Frequency |
RFA | Remote Function Actuation |
RFI | Radio Frequency Interference |
RH | Right Hand |
RKE | Remote Keyless Entry |
Rly | Relay |
ROM | Read Only Memory (permanent memory devise, memory contents are retained when power is removed) |
RPM | Engine Speed (Revolutions Per Minute) |
RPO | Regular Production Option |
RR | Right Rear |
rt | right |
RTD | Real Time Damping |
RTV | Room Temperature Vulcanizing (sealer) |
RWAL | Rear Wheel Antilock |
RWD | Rear Wheel Drive |
S | |
s | second(s) |
SAE | Society of Automotive Engineers |
SC | Supercharger |
SCB | Supercharger Bypass |
SCM | Seat Control Module |
SDM | Sensing and Diagnostic Module |
SEO | Special Equipment Option |
SFI | Sequential Multiport Fuel Injection |
SI | System International (modern version of metric system) |
SIR | Supplemental Inflatable Restraint |
SLA | Short/Long Arm (suspension) |
sol | solenoid |
SO2 | Sulfur Dioxide |
SP | Splice Pack |
SPO | Service Parts Operations |
sq ft | square foot/feet |
sq in | square inch/inches |
SRC | Service Ride Control |
SRI | Service Reminder Indicator |
ST | Scan Tool |
S4WD | Selectable Four Wheel Drive |
Sw | Switch |
syn | synchronizer |
T | |
Tach | Tachometer |
TBI | Throttle Body Fuel Injection |
TC | Turbocharger |
TCC | Torque Converter Clutch |
TCS | Traction Control System |
TDC | Top Dead Center |
TEMP | Temperature |
Term | Terminal |
TFP | Transmission Fluid Pressure |
TFT | Transmission Fluid Temperature |
TOC | Transmission Oil Cooler |
TP | Throttle Position |
TPA | Terminal Positive Assurance |
TPM | Tire Pressure Monitoring |
TR | Transmission Range |
TRANS | Transmission/Transaxle |
TV | Throttle Valve |
TVRS | Television and Radio Suppression |
TVV | Thermal Vacuum Valve |
TWC | Three Way Converter (Catalytic) |
TWC+OC | Three Way + Oxidation Converter (Catalytic) |
TXV | Thermal Expansion Valve |
U | |
UART | Universal Asynchronous Receive and Transmit |
U/H | Underhood |
U/HEC | Underhood Electrical Center |
U-joint | Universal Joint |
UTD | Universal Theft Deterrent |
UV | Ultraviolet |
V | |
V | Volt(s), Voltage |
V6 | Six Cylinder Engine, V-Type |
V8 | Eight Cylinder Engine, V-Type |
Vac | Vacuum |
VAC | Vehicle Access Code |
VATS | Vehicle Anti-Theft System |
VCM | Vehicle Control Module |
VDOT | Variable Displacement Orifice Tube |
VDV | Vacuum Delay Valve |
vel | velocity |
VES | Variable Effort Steering |
VF | Vacuum Fluorescent |
VIO | Violet |
VIN | Vehicle Identification Number |
VMV | Vacuum Modulator Valve |
VR | Voltage Regulator |
V ref | Voltage Reference |
VSS | Vehicle Speed Sensor |
W | |
w/ | with |
W/B | Wheel Base |
WHL | Wheel |
WHT | White |
w/o | without |
WOT | Wide Open Throttle |
W/P | Water Pump |
W/S | Windshield |
WSS | Wheel Speed Sensor |
WU-OC | Warm Up Oxidation Converter (Catalytic) |
WU-TWC | Warm Up Three Way Converter (Catalytic) |
X | |
X-valve | Expansion valve |
Y | |
yd | yard(s) |
YEL | Yellow |
